CA2749809A1 - Procede de purification de guar - Google Patents

Procede de purification de guar Download PDF

Info

Publication number: CA2749809A1
Authority: CA; Canada
Prior art keywords: guar; borate; process according; present; solution
Prior art date: 2009-02-05
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

CA2749809A

Other languages

English (en)

Other versions

CA2749809C (fr

Inventor

James W. Davis

Howard Allen Ketelson

David L. Meadows

John C. Baker

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Alcon Research LLC

Original Assignee

Alcon Research LLC

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2009-02-05

Filing date

2010-02-05

Publication date

2010-08-12

2010-02-05 Application filed by Alcon Research LLC filed Critical Alcon Research LLC

2010-08-12 Publication of CA2749809A1 publication Critical patent/CA2749809A1/fr

2017-03-14 Application granted granted Critical

2017-03-14 Publication of CA2749809C publication Critical patent/CA2749809C/fr

Status Expired - Fee Related legal-status Critical Current

2030-02-05 Anticipated expiration legal-status Critical

Links

238000000034 method Methods 0.000 title claims abstract description 52
244000007835 Cyamopsis tetragonoloba Species 0.000 title claims abstract 26
239000000203 mixture Substances 0.000 claims abstract description 54
238000009472 formulation Methods 0.000 claims abstract description 43
BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims abstract description 24
239000007864 aqueous solution Substances 0.000 claims abstract description 16
239000003960 organic solvent Substances 0.000 claims abstract description 11
244000303965 Cyamopsis psoralioides Species 0.000 claims description 125
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 36
239000000243 solution Substances 0.000 claims description 25
-1 alkyl borates Chemical class 0.000 claims description 15
238000001914 filtration Methods 0.000 claims description 11
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 7
239000004327 boric acid Substances 0.000 claims description 7
239000000546 pharmaceutical excipient Substances 0.000 claims description 7
238000004519 manufacturing process Methods 0.000 claims description 5
GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 claims description 4
239000011148 porous material Substances 0.000 claims description 4
229910021538 borax Inorganic materials 0.000 claims description 3
235000010339 sodium tetraborate Nutrition 0.000 claims description 3
OSCBARYHPZZEIS-UHFFFAOYSA-N phenoxyboronic acid Chemical class OB(O)OC1=CC=CC=C1 OSCBARYHPZZEIS-UHFFFAOYSA-N 0.000 claims description 2
230000001376 precipitating effect Effects 0.000 claims description 2
WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 claims description 2
WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 claims description 2
BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 claims description 2
OMDQUFIYNPYJFM-XKDAHURESA-N (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-[[(2r,3s,4r,5s,6r)-4,5,6-trihydroxy-3-[(2s,3s,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]methoxy]oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](O)[C@H](O)[C@H](O)O1 OMDQUFIYNPYJFM-XKDAHURESA-N 0.000 claims 3
229920000926 Galactomannan Polymers 0.000 claims 3
238000001556 precipitation Methods 0.000 abstract description 21
239000002244 precipitate Substances 0.000 description 19
239000000843 powder Substances 0.000 description 18
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
229920002907 Guar gum Polymers 0.000 description 10
235000010417 guar gum Nutrition 0.000 description 10
239000000665 guar gum Substances 0.000 description 10
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230000036571 hydration Effects 0.000 description 6
238000006703 hydration reaction Methods 0.000 description 6
238000002156 mixing Methods 0.000 description 6
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
239000000047 product Substances 0.000 description 5
238000006467 substitution reaction Methods 0.000 description 5
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
230000005540 biological transmission Effects 0.000 description 4
239000003795 chemical substances by application Substances 0.000 description 4
150000001875 compounds Chemical class 0.000 description 4
238000001035 drying Methods 0.000 description 4
239000003755 preservative agent Substances 0.000 description 4
238000012545 processing Methods 0.000 description 4
239000007787 solid Substances 0.000 description 4
239000006228 supernatant Substances 0.000 description 4
238000005406 washing Methods 0.000 description 4
WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
229920002125 Sokalan® Polymers 0.000 description 3
238000002474 experimental method Methods 0.000 description 3
239000000499 gel Substances 0.000 description 3
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239000012535 impurity Substances 0.000 description 3
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238000011285 therapeutic regimen Methods 0.000 description 3
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WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-UHFFFAOYSA-N 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 2
229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
239000004372 Polyvinyl alcohol Substances 0.000 description 2
150000001642 boronic acid derivatives Chemical class 0.000 description 2
239000006172 buffering agent Substances 0.000 description 2
238000005119 centrifugation Methods 0.000 description 2
OSASVXMJTNOKOY-UHFFFAOYSA-N chlorobutanol Chemical compound CC(C)(O)C(Cl)(Cl)Cl OSASVXMJTNOKOY-UHFFFAOYSA-N 0.000 description 2
235000011187 glycerol Nutrition 0.000 description 2
239000004615 ingredient Substances 0.000 description 2
230000014759 maintenance of location Effects 0.000 description 2
238000005259 measurement Methods 0.000 description 2
239000002736 nonionic surfactant Substances 0.000 description 2
239000008194 pharmaceutical composition Substances 0.000 description 2
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229920000642 polymer Polymers 0.000 description 2
229920005862 polyol Polymers 0.000 description 2
150000003077 polyols Chemical class 0.000 description 2
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230000000717 retained effect Effects 0.000 description 2
238000000926 separation method Methods 0.000 description 2
239000002002 slurry Substances 0.000 description 2
239000011780 sodium chloride Substances 0.000 description 2
229960001922 sodium perborate Drugs 0.000 description 2
YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 2
239000000600 sorbitol Substances 0.000 description 2
235000010356 sorbitol Nutrition 0.000 description 2
239000004094 surface-active agent Substances 0.000 description 2
230000000007 visual effect Effects 0.000 description 2
DYWNLSQWJMTVGJ-UHFFFAOYSA-N (1-hydroxy-1-phenylpropan-2-yl)azanium;chloride Chemical compound Cl.CC(N)C(O)C1=CC=CC=C1 DYWNLSQWJMTVGJ-UHFFFAOYSA-N 0.000 description 1
VAZJLPXFVQHDFB-UHFFFAOYSA-N 1-(diaminomethylidene)-2-hexylguanidine Polymers CCCCCCN=C(N)N=C(N)N VAZJLPXFVQHDFB-UHFFFAOYSA-N 0.000 description 1
FZWBNHMXJMCXLU-UHFFFAOYSA-N 2,3,4,5-tetrahydroxy-6-[3,4,5-trihydroxy-6-[[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxyhexanal Chemical compound OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OCC(O)C(O)C(O)C(O)C=O)O1 FZWBNHMXJMCXLU-UHFFFAOYSA-N 0.000 description 1
OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 1
JVTIXNMXDLQEJE-UHFFFAOYSA-N 2-decanoyloxypropyl decanoate 2-octanoyloxypropyl octanoate Chemical compound C(CCCCCCC)(=O)OCC(C)OC(CCCCCCC)=O.C(=O)(CCCCCCCCC)OCC(C)OC(=O)CCCCCCCCC JVTIXNMXDLQEJE-UHFFFAOYSA-N 0.000 description 1
229940090248 4-hydroxybenzoic acid Drugs 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
229920001817 Agar Polymers 0.000 description 1
241000416162 Astragalus gummifer Species 0.000 description 1
FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 1
206010011878 Deafness Diseases 0.000 description 1
229920002307 Dextran Polymers 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
229920000569 Gum karaya Polymers 0.000 description 1
229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
206010020852 Hypertonia Diseases 0.000 description 1
235000010643 Leucaena leucocephala Nutrition 0.000 description 1
240000007472 Leucaena leucocephala Species 0.000 description 1
229930195725 Mannitol Natural products 0.000 description 1
229920000881 Modified starch Polymers 0.000 description 1
229910019142 PO4 Inorganic materials 0.000 description 1
239000002202 Polyethylene glycol Substances 0.000 description 1
229920002413 Polyhexanide Polymers 0.000 description 1
MKRNVBXERAPZOP-UHFFFAOYSA-N Starch acetate Chemical compound O1C(CO)C(OC)C(O)C(O)C1OCC1C(OC2C(C(O)C(OC)C(CO)O2)OC(C)=O)C(O)C(O)C(OC2C(OC(C)C(O)C2O)CO)O1 MKRNVBXERAPZOP-UHFFFAOYSA-N 0.000 description 1
241000934878 Sterculia Species 0.000 description 1
229920001615 Tragacanth Polymers 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
150000001242 acetic acid derivatives Chemical class 0.000 description 1
DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
239000004480 active ingredient Substances 0.000 description 1
235000010419 agar Nutrition 0.000 description 1
239000008272 agar Substances 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
229920000615 alginic acid Polymers 0.000 description 1
235000010443 alginic acid Nutrition 0.000 description 1
150000001414 amino alcohols Chemical class 0.000 description 1
CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 1
239000003708 ampul Substances 0.000 description 1
125000000129 anionic group Chemical group 0.000 description 1
229920001448 anionic polyelectrolyte Polymers 0.000 description 1
238000013459 approach Methods 0.000 description 1
239000013011 aqueous formulation Substances 0.000 description 1
230000003385 bacteriostatic effect Effects 0.000 description 1
239000003637 basic solution Substances 0.000 description 1
235000019445 benzyl alcohol Nutrition 0.000 description 1
230000035587 bioadhesion Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000000872 buffer Substances 0.000 description 1
230000003139 buffering effect Effects 0.000 description 1
229960001631 carbomer Drugs 0.000 description 1
229940049638 carbomer homopolymer type c Drugs 0.000 description 1
229940043234 carbomer-940 Drugs 0.000 description 1
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229920003123 carboxymethyl cellulose sodium Polymers 0.000 description 1
229940063834 carboxymethylcellulose sodium Drugs 0.000 description 1
235000010418 carrageenan Nutrition 0.000 description 1
229920001525 carrageenan Polymers 0.000 description 1
125000002091 cationic group Chemical group 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
239000002738 chelating agent Substances 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
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239000000084 colloidal system Substances 0.000 description 1
229940119743 dextran 70 Drugs 0.000 description 1
201000010099 disease Diseases 0.000 description 1
208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000005553 drilling Methods 0.000 description 1
239000003814 drug Substances 0.000 description 1
239000003974 emollient agent Substances 0.000 description 1
239000003623 enhancer Substances 0.000 description 1
HQPMKSGTIOYHJT-UHFFFAOYSA-N ethane-1,2-diol;propane-1,2-diol Chemical compound OCCO.CC(O)CO HQPMKSGTIOYHJT-UHFFFAOYSA-N 0.000 description 1
BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
239000000284 extract Substances 0.000 description 1
210000000744 eyelid Anatomy 0.000 description 1
239000012530 fluid Substances 0.000 description 1
235000013305 food Nutrition 0.000 description 1
150000002357 guanidines Chemical class 0.000 description 1
229940083094 guanine derivative acting on arteriolar smooth muscle Drugs 0.000 description 1
230000035876 healing Effects 0.000 description 1
239000003906 humectant Substances 0.000 description 1
150000004677 hydrates Chemical class 0.000 description 1
230000000887 hydrating effect Effects 0.000 description 1
230000002209 hydrophobic effect Effects 0.000 description 1
239000001341 hydroxy propyl starch Substances 0.000 description 1
239000001863 hydroxypropyl cellulose Substances 0.000 description 1
235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
235000013828 hydroxypropyl starch Nutrition 0.000 description 1
229940071676 hydroxypropylcellulose Drugs 0.000 description 1
239000002563 ionic surfactant Substances 0.000 description 1
238000002955 isolation Methods 0.000 description 1
235000010494 karaya gum Nutrition 0.000 description 1
239000000231 karaya gum Substances 0.000 description 1
229940039371 karaya gum Drugs 0.000 description 1
239000000594 mannitol Substances 0.000 description 1
235000010355 mannitol Nutrition 0.000 description 1
238000003701 mechanical milling Methods 0.000 description 1
229940127554 medical product Drugs 0.000 description 1
239000002480 mineral oil Substances 0.000 description 1
235000019426 modified starch Nutrition 0.000 description 1
229930014626 natural product Natural products 0.000 description 1
231100000252 nontoxic Toxicity 0.000 description 1
230000003000 nontoxic effect Effects 0.000 description 1
239000002997 ophthalmic solution Substances 0.000 description 1
239000003002 pH adjusting agent Substances 0.000 description 1
FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
239000001814 pectin Substances 0.000 description 1
235000010987 pectin Nutrition 0.000 description 1
229920001277 pectin Polymers 0.000 description 1
239000000825 pharmaceutical preparation Substances 0.000 description 1
235000021317 phosphate Nutrition 0.000 description 1
150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
229920001983 poloxamer Polymers 0.000 description 1
229920001993 poloxamer 188 Polymers 0.000 description 1
229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 description 1
239000004584 polyacrylic acid Substances 0.000 description 1
229920001223 polyethylene glycol Polymers 0.000 description 1
239000001267 polyvinylpyrrolidone Substances 0.000 description 1
229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
238000004321 preservation Methods 0.000 description 1
230000002335 preservative effect Effects 0.000 description 1
238000003672 processing method Methods 0.000 description 1
102000004169 proteins and genes Human genes 0.000 description 1
108090000623 proteins and genes Proteins 0.000 description 1
238000005185 salting out Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000013049 sediment Substances 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
235000002639 sodium chloride Nutrition 0.000 description 1
UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 1
229960002218 sodium chlorite Drugs 0.000 description 1
239000004328 sodium tetraborate Substances 0.000 description 1
239000004334 sorbic acid Substances 0.000 description 1
235000010199 sorbic acid Nutrition 0.000 description 1
229940075582 sorbic acid Drugs 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
230000000451 tissue damage Effects 0.000 description 1
231100000827 tissue damage Toxicity 0.000 description 1
239000012929 tonicity agent Substances 0.000 description 1
238000011200 topical administration Methods 0.000 description 1
239000012049 topical pharmaceutical composition Substances 0.000 description 1
235000010487 tragacanth Nutrition 0.000 description 1
239000000196 tragacanth Substances 0.000 description 1
229940116362 tragacanth Drugs 0.000 description 1
238000012546 transfer Methods 0.000 description 1
235000015112 vegetable and seed oil Nutrition 0.000 description 1
239000008158 vegetable oil Substances 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1
238000001429 visible spectrum Methods 0.000 description 1
229920003169 water-soluble polymer Polymers 0.000 description 1
229920001285 xanthan gum Polymers 0.000 description 1
235000010493 xanthan gum Nutrition 0.000 description 1
239000000230 xanthan gum Substances 0.000 description 1
229940082509 xanthan gum Drugs 0.000 description 1

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0048—Eye, e.g. artificial tears
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/185—Magnoliopsida (dicotyledons)
- A61K36/48—Fabaceae or Leguminosae (Pea or Legume family); Caesalpiniaceae; Mimosaceae; Papilionaceae
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0003—General processes for their isolation or fractionation, e.g. purification or extraction from biomass
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0087—Glucomannans or galactomannans; Tara or tara gum, i.e. D-mannose and D-galactose units, e.g. from Cesalpinia spinosa; Tamarind gum, i.e. D-galactose, D-glucose and D-xylose units, e.g. from Tamarindus indica; Gum Arabic, i.e. L-arabinose, L-rhamnose, D-galactose and D-glucuronic acid units, e.g. from Acacia Senegal or Acacia Seyal; Derivatives thereof
- C08B37/0096—Guar, guar gum, guar flour, guaran, i.e. (beta-1,4) linked D-mannose units in the main chain branched with D-galactose units in (alpha-1,6), e.g. from Cyamopsis Tetragonolobus; Derivatives thereof

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Medicinal Chemistry (AREA)
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Pharmacology & Pharmacy (AREA)
Animal Behavior & Ethology (AREA)
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Veterinary Medicine (AREA)
Epidemiology (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Biochemistry (AREA)
Materials Engineering (AREA)
Polymers & Plastics (AREA)
Molecular Biology (AREA)
Natural Medicines & Medicinal Plants (AREA)
Inorganic Chemistry (AREA)
Ophthalmology & Optometry (AREA)
Emergency Medicine (AREA)
Sustainable Development (AREA)
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Alternative & Traditional Medicine (AREA)
Biotechnology (AREA)
Botany (AREA)
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Mycology (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Medicinal Preparation (AREA)
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CA2749809A 2009-02-05 2010-02-05 Procede de purification de guar Expired - Fee Related CA2749809C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US15021509P	2009-02-05	2009-02-05
US61/150,215		2009-02-05
PCT/US2010/023369 WO2010091287A1 (fr)	2009-02-05	2010-02-05	Procédé de purification de guar

Publications (2)

Publication Number	Publication Date
CA2749809A1 true CA2749809A1 (fr)	2010-08-12
CA2749809C CA2749809C (fr)	2017-03-14

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ID=42397915

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2749809A Expired - Fee Related CA2749809C (fr)	2009-02-05	2010-02-05	Procede de purification de guar

Country Status (13)

Country	Link
US (3)	US20100196415A1 (fr)
EP (1)	EP2393837A1 (fr)
JP (2)	JP2012516936A (fr)
KR (1)	KR20110113199A (fr)
CN (1)	CN102356094B (fr)
AU (1)	AU2010210497B2 (fr)
BR (1)	BRPI1008654A2 (fr)
CA (1)	CA2749809C (fr)
MX (1)	MX2011007714A (fr)
NZ (1)	NZ594419A (fr)
SG (1)	SG173581A1 (fr)
WO (1)	WO2010091287A1 (fr)
ZA (1)	ZA201105048B (fr)

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TW201336527A (zh)	2012-02-10	2013-09-16	Alcon Res Ltd	具增強的穩定性之水性藥學組成物
BR112014023880A8 (pt) *	2012-03-28	2017-07-11	Halosource Inc	Composições para o tratamento de água e métodos de uso
WO2019123266A1 (fr)	2017-12-20	2019-06-27	Novartis Ag	Composition ophtalmique comprenant une prostaglandine et un bêta-bloquant
CN117551217A (zh) *	2023-12-26	2024-02-13	南京威尔药业科技有限公司	一种羟丙基瓜尔胶的精制方法

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2010
- 2010-02-05 EP EP10704281A patent/EP2393837A1/fr not_active Withdrawn
- 2010-02-05 KR KR1020117020352A patent/KR20110113199A/ko not_active Ceased
- 2010-02-05 US US12/701,339 patent/US20100196415A1/en not_active Abandoned
- 2010-02-05 MX MX2011007714A patent/MX2011007714A/es active IP Right Grant
- 2010-02-05 WO PCT/US2010/023369 patent/WO2010091287A1/fr not_active Ceased
- 2010-02-05 JP JP2011549292A patent/JP2012516936A/ja not_active Withdrawn
- 2010-02-05 SG SG2011056819A patent/SG173581A1/en unknown
- 2010-02-05 AU AU2010210497A patent/AU2010210497B2/en not_active Ceased
- 2010-02-05 CN CN201080006881.8A patent/CN102356094B/zh not_active Expired - Fee Related
- 2010-02-05 CA CA2749809A patent/CA2749809C/fr not_active Expired - Fee Related
- 2010-02-05 BR BRPI1008654A patent/BRPI1008654A2/pt not_active IP Right Cessation
- 2010-02-05 NZ NZ594419A patent/NZ594419A/xx not_active IP Right Cessation
2011
- 2011-07-08 ZA ZA2011/05048A patent/ZA201105048B/en unknown
2012
- 2012-02-14 US US13/396,305 patent/US8536325B2/en not_active Expired - Fee Related
2013
- 2013-08-14 US US13/966,941 patent/US20130330430A1/en not_active Abandoned
2015
- 2015-07-10 JP JP2015138395A patent/JP2015180754A/ja active Pending

Also Published As

Publication number	Publication date
KR20110113199A (ko)	2011-10-14
WO2010091287A1 (fr)	2010-08-12
US8536325B2 (en)	2013-09-17
JP2015180754A (ja)	2015-10-15
SG173581A1 (en)	2011-09-29
AU2010210497B2 (en)	2015-07-23
US20130330430A1 (en)	2013-12-12
AU2010210497A1 (en)	2011-08-04
EP2393837A1 (fr)	2011-12-14
JP2012516936A (ja)	2012-07-26
NZ594419A (en)	2013-07-26
CN102356094A (zh)	2012-02-15
ZA201105048B (en)	2012-09-26
US20120142630A1 (en)	2012-06-07
MX2011007714A (es)	2011-12-06
CN102356094B (zh)	2014-05-21
BRPI1008654A2 (pt)	2016-03-08
US20100196415A1 (en)	2010-08-05
CA2749809C (fr)	2017-03-14

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Date	Code	Title	Description
2015-02-02	EEER	Examination request	Effective date: 20150121
2019-03-19	MKLA	Lapsed	Effective date: 20190205

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US8536325B2 (en)	2013-09-17	Process for purifying guar
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EP1225898B1 (fr)	2003-06-18	Compositions pharmaceutiques contenant un medicament antibiotique de fluoroquinolone et une gomme xanthan
JP2000508646A (ja)	2000-07-11	眼における滞留時間の長い目薬組成物
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